Device for laser treatment of a human eye
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United States of America Patent
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Oct 17, 2017
Issued Date -
Jul 28, 2016
app pub date -
Dec 14, 2015
filing date -
Dec 14, 2015
priority date (Note) -
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Abstract
An apparatus for treatment of an eye comprises a source of pulsed laser radiation, and a control device for controlling a focus of the laser radiation to generate an incision figure. The incision figure defines a corneal flap, a first auxiliary channel and a second auxiliary channel. The corneal flap is connected to adjoining corneal tissue in a hinge region, and has a flap underside parted-off from adjoining corneal tissue by a bed incision. The first auxiliary channel extends from the hinge region to an outer surface of the eye and is adapted to remove gases that develop during the generation of the bed incision. The second auxiliary channel extends along an edge of the bed incision, is connected to the first auxiliary channel, and extends beyond the hinge region. The control device is configured to generate the second auxiliary channel prior to the bed incision.
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